<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>ts</title>
    <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
</head>
<body>
    <script>
        const whyName='why'
        const whyAge=18
        const whyHeight=1.88
        function foo(bar) {
            return 'hello world'
        }
        function Person(name,age){
            this.name=name
            this.age=age
        }
    </script>
</body>
</html>